/*****************************************************************************
 *   Copyright 2005 Tim A Wang
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 ****************************************************************************/
package com.jb.web.bean;

import com.jb.faces.context.FacesContext;
import com.jb.web.context.WebContext;
import com.jb.web.renderer.ListBoxRenderer;
import com.jb.web.renderer.RenderKitImpl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

public class ListBox extends Select {
    static final long serialVersionUID = 123123L;
    static {
        RenderKitImpl.registerRenderer(com.jb.web.bean.ListBox.class,ListBoxRenderer.class);
    }

    private List selected=new ArrayList();

    public void processDecodes(FacesContext ctx) {
        super.processDecodes(ctx);
        WebContext wc =(WebContext)ctx;
        selected = new ArrayList();
        String[] values = wc.getRequest().getParameterValues(this.getFieldName());
        if(values==null)
            return ;
        for(int i=0;i<values.length;i++) {
            selected.add(values[i]);
        }
        this.setDecodedValue(selected);
        this.setModelBean(selected);
    }
    
    public String getValue() {
        if(this.getModelBean()==null)
            return "";
        Iterator values = ((Collection)this.getModelBean()).iterator();
        StringBuffer value = new StringBuffer();
        while(values.hasNext()) {
            value.append(values.next());
            if(values.hasNext())
                value.append(",");
        }
        return value.toString();
    }

    public void setSelected(List param) {
        this.selected = param;
    }

    public List getSelected() {
        return selected;
    }
}
